“We need vaccines that are durable,” Jha said. “We need vaccines that are broader and offer longer-lasting protection. We need a vaccine that can stand up to multiple variants. Ultimately, we need vaccines that can protect us no matter what Mother Nature throws at us.”
https://www.usnews.com/news/health-news/...e-variants
https://www.usnews.com/news/health-news/...e-variants